{"id":"vidhyamitra:city-day:rishikesh:2158-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2158-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2158-12-23","date_display":"December 23, 2158 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2158,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509609.770833,"kali_year":5260,"ahargana":1921144.2708,"sun":{"sidereal_longitude":244.3752,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":271.1047,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.7295,"elapsed_within_tithi_degrees":2.7295},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.1047,"elapsed_within_degrees":4.438},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.4799},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2158,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509609.770833,"ahargana":1921144.2708,"kali_year":5260,"ayanamsa_lahiri":26.0738,"grahas":{"sun":{"sidereal_longitude":245.08880900000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":269.5354090000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":0.2018},"mars":{"sidereal_longitude":183.57140900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":242.29220899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":164.302009,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":267.820609,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":179.214609,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":268.5313,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.5313,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2158,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509609.770833,"kali_year":5260,"ahargana":1921144.2708,"sun":{"sidereal_longitude":244.3752,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":271.1047,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.7295,"elapsed_within_tithi_degrees":2.7295},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.1047,"elapsed_within_degrees":4.438},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.4799},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.202,"elongation":26.73},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.202,"opposition_distance":153.27}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":1.097,"opposition_distance":2.942}]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:10","sunsetLocal":"17:23","solarNoonLocal":"12:16","dayLengthHours":10.205206294456602,"dayLengthDisplay":"10 Hours 12 Mins 19 Secs","nightLengthDisplay":"13 Hours 47 Mins 41 Secs","moonriseLocal":"08:43","moonsetLocal":"19:06","rahuKala":{"name":"Rāhu Kāla","start":"09:43","end":"11:00","startHours":9.723466898190729,"endHours":10.999117684997803,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:33","end":"14:50","startHours":13.550419258611953,"endHours":14.82607004541903,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:27","startHours":7.172165324576578,"endHours":8.447816111383652,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:54","startHours":9.553380126616451,"endHours":9.893553669765005,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:52","startHours":7.5973822535122695,"endHours":7.869521088031112,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.934594928656326,"endHours":12.614942014953433,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:30","startHours":5.811471151982364,"endHours":6.491818238279471,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:10","startHours":6.321731466705194,"endHours":7.172165324576578,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:39","startHours":13.975636187547646,"endHours":14.655983273844754,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.17737161903318,"endHours":17.57737161903318,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:48","startHours":17.37737161903318,"endHours":17.802588547968874,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.12737161903318,"endHours":18.87737161903318,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.934594928656328,"endHours":24.61494201495343,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:10","end":"08:27","startHours":7.172165324576578,"endHours":8.447816111383652,"quality":"inauspicious"},{"name":"Śubha","start":"08:27","end":"09:43","startHours":8.447816111383652,"endHours":9.723466898190729,"quality":"auspicious"},{"name":"Roga","start":"09:43","end":"11:00","startHours":9.723466898190729,"endHours":10.999117684997803,"quality":"inauspicious"},{"name":"Udveg","start":"11:00","end":"12:16","startHours":10.999117684997803,"endHours":12.27476847180488,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:33","startHours":12.27476847180488,"endHours":13.550419258611953,"quality":"neutral"},{"name":"Labha","start":"13:33","end":"14:50","startHours":13.550419258611953,"endHours":14.82607004541903,"quality":"auspicious"},{"name":"Amṛta","start":"14:50","end":"16:06","startHours":14.82607004541903,"endHours":16.101720832226103,"quality":"auspicious"},{"name":"Kāla","start":"16:06","end":"17:23","startHours":16.101720832226103,"endHours":17.37737161903318,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:23","end":"19:06","startHours":17.37737161903318,"endHours":19.101720832226107,"quality":"auspicious"},{"name":"Amṛta","start":"19:06","end":"20:50","startHours":19.101720832226107,"endHours":20.82607004541903,"quality":"auspicious"},{"name":"Kāla","start":"20:50","end":"22:33","startHours":20.82607004541903,"endHours":22.550419258611953,"quality":"inauspicious"},{"name":"Śubha","start":"22:33","end":"00:16","startHours":22.550419258611953,"endHours":24.27476847180488,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"02:00","startHours":24.27476847180488,"endHours":25.999117684997806,"quality":"inauspicious"},{"name":"Udveg","start":"02:00","end":"03:43","startHours":25.999117684997806,"endHours":27.72346689819073,"quality":"inauspicious"},{"name":"Chala","start":"03:43","end":"05:27","startHours":27.72346689819073,"endHours":29.447816111383652,"quality":"neutral"},{"name":"Labha","start":"05:27","end":"07:10","startHours":29.447816111383652,"endHours":31.17216532457658,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.172165324576578,"endHours":8.172165324576579,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.172165324576579,"endHours":9.172165324576579,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.172165324576579,"endHours":10.172165324576579,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.172165324576579,"endHours":11.172165324576579,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.172165324576579,"endHours":12.172165324576579,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.172165324576579,"endHours":13.172165324576579,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.172165324576579,"endHours":14.172165324576579,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.172165324576579,"endHours":15.172165324576579,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.172165324576579,"endHours":16.17216532457658,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.17216532457658,"endHours":17.17216532457658,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.17216532457658,"endHours":18.17216532457658,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.17216532457658,"endHours":19.17216532457658,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.17216532457658,"endHours":20.17216532457658,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.17216532457658,"endHours":21.17216532457658,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.17216532457658,"endHours":22.17216532457658,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.17216532457658,"endHours":23.17216532457658,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.17216532457658,"endHours":24.17216532457658,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.17216532457658,"endHours":25.17216532457658,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.17216532457658,"endHours":26.17216532457658,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.17216532457658,"endHours":27.17216532457658,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.17216532457658,"endHours":28.17216532457658,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.17216532457658,"endHours":29.17216532457658,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.17216532457658,"endHours":30.17216532457658,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.17216532457658,"endHours":31.17216532457658,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.431387000902895,"eotMinutes":0.4434916917071845,"ayanamsa":26.0738}},"calendars":{"vikram_samvat":2215,"vikram_samvatsara":"Prajāpati","saka_samvat":2080,"saka_samvatsara":"Kālayukta","bengali_samvat":1565,"malayalam_era":1334,"nanakshahi_year":689,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Tṛtīyā · Vikram 2215 Prajāpati · Śaka 2080 Kālayukta"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 23, 2158 CE · Ṛṣikeśa · Vidhyamitra","description":"December 23, 2158 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 07:10, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2158-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2158-12-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2158-12-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2158-12-23","x-default":"https://vidhyamitra.com/city/rishikesh/2158-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:36:11.379Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T03:36:11.379Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:36:11.379Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}